body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
input,
button,
select,
textarea {
  outline: none;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
    monospace;
}
.App {
  /* margin-left: 20%;
  margin-top: 4%;
  background-color: #333;
  position: fixed;
  height: 70%;
  width: 60%; */
  background-color: #f6f6f6;
  margin: 0 23%;
  /* height: 100%; */
}
/* #root {
  font-size: 16px;
  line-height: 1;
  background-color: #ffffff;
  display: flex;
} */
input::-webkit-input-placeholder {
  /* placeholder颜色  */
  color: rgb(248, 186, 186);
  /* placeholder字体大小  */
  font-size: 14px;
  /* placeholder位置  */
}

::-webkit-scrollbar-track {
  /* background-color: yellow; */
}
::-webkit-scrollbar {
  width: 10px;
  height: 0; /*对水平流动条有效*/
}
